You can read Johan’s book, The Darkness Manifesto: How Light Pollution Threatens the Ancient Rhythms of Life which was just released in North America. Johan talks to Michael Colligan and John Bullock about the impact of light pollution on flora and fauna around the world, not to mention the impact on human health. Johan also points out that with the advent of artificial light at night, an appreciation for silence and slowness has diminished. So hurry up and listen to this podcast! Johan Eklöf, PhD, is a Swedish bat scientist and writer, most known for his work on microbat vision and more recently, light pollution. Johan has studied bats for almost 25 years and now has his own consultancy company, hired by authorities, wind companies, municipalities, city planners and environmental organizations as an expert on bats, night ecology and nature friendly lighting.